JPH026153B2 - - Google Patents

Info

Publication number
JPH026153B2
JPH026153B2 JP58188589A JP18858983A JPH026153B2 JP H026153 B2 JPH026153 B2 JP H026153B2 JP 58188589 A JP58188589 A JP 58188589A JP 18858983 A JP18858983 A JP 18858983A JP H026153 B2 JPH026153 B2 JP H026153B2
Authority
JP
Japan
Prior art keywords
servo
track
control signal
signal
pes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP58188589A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5990265A (ja
Inventor
Hansuururitsuchi Dosuto Maachin
Chuan Riu Chungu
Edowaado Myuuraa Furanshisu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5990265A publication Critical patent/JPS5990265A/ja
Publication of JPH026153B2 publication Critical patent/JPH026153B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Position Or Direction (AREA)
JP58188589A 1982-11-01 1983-10-11 磁気ヘツド位置決め用サ−ボ装置 Granted JPS5990265A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/438,219 US4490756A (en) 1982-11-01 1982-11-01 Servo encodement and detection system using tetra-orthogonal servo pattern
US438219 1982-11-01

Publications (2)

Publication Number Publication Date
JPS5990265A JPS5990265A (ja) 1984-05-24
JPH026153B2 true JPH026153B2 (de) 1990-02-07

Family

ID=23739741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58188589A Granted JPS5990265A (ja) 1982-11-01 1983-10-11 磁気ヘツド位置決め用サ−ボ装置

Country Status (4)

Country Link
US (1) US4490756A (de)
EP (1) EP0108226B1 (de)
JP (1) JPS5990265A (de)
DE (1) DE3374729D1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157810A (ja) * 1983-02-28 1984-09-07 Sony Corp デジタル信号の再生方法
US5229891A (en) * 1986-11-06 1993-07-20 Canon Kabushiki Kaisha Tracking control system using single frequency pilot signal
US4951162A (en) * 1986-11-06 1990-08-21 Canon Kabushiki Kaisha Tracking control system with pilot signal phase setting circuitry
JP2504122B2 (ja) * 1988-06-06 1996-06-05 三菱電機株式会社 磁気ディスク装置
US5245487A (en) * 1989-01-27 1993-09-14 International Business Machines Corporation Transducer head for rigid disk drive
US5488520A (en) * 1992-06-02 1996-01-30 Hitachi, Ltd. Data recording and playback apparatus using helical scan system with magnetic head for recording and playing back pattern signal for tracking in tracking area within helical track
US5615065A (en) * 1994-10-04 1997-03-25 International Business Machines Corporation Phase-compensated servo pattern and position error-sensing detector
KR100252182B1 (ko) * 1998-02-23 2000-07-01 윤종용 위상이 서로 다른 서보패턴이 기록된 하드디스크 및 그 트랙킹방법
JP3340077B2 (ja) * 1998-11-30 2002-10-28 富士通株式会社 サーボ制御方法及び情報記憶装置
US6496328B1 (en) 1999-12-30 2002-12-17 Advanced Research Corporation Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads
US7126780B2 (en) * 2002-04-09 2006-10-24 Hitachi Global Storage Technologies Netherlands B.V. Method, system, and article of manufacture for self-servowriting a disk
US7106544B2 (en) 2003-05-09 2006-09-12 Advanced Research Corporation Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape
US8144424B2 (en) 2003-12-19 2012-03-27 Dugas Matthew P Timing-based servo verify head and magnetic media made therewith
WO2005109405A1 (en) 2004-05-04 2005-11-17 Advanced Research Corporation Intergrated thin film subgap/subpole structure for arbitrary gap pattern, magnetic recording heads and method of making the same
US7453663B1 (en) * 2004-06-09 2008-11-18 Maxtor Corporation Disk drives with servo burst patterns radially offset in different radial spokes of a disk and methods of positioning based thereon
US7441572B2 (en) * 2004-09-17 2008-10-28 The Goodyear Tire & Rubber Company Pneumatic tire having a tread containing immiscible rubber blend and silica
JP4327824B2 (ja) * 2006-06-30 2009-09-09 株式会社東芝 磁気ディスク装置、サーボ書込み方法及び検査方法
US8068300B2 (en) 2008-03-28 2011-11-29 Advanced Research Corporation Thin film planar arbitrary gap pattern magnetic head
WO2011014836A2 (en) 2009-07-31 2011-02-03 Advanced Research Corporation Erase drive systems and methods of erasure for tape data cartridge
US8922926B2 (en) 2011-11-21 2014-12-30 Agency for Science, Technology Research Data recording medium and method for generating a reference clock signal
US9336829B2 (en) 2011-11-21 2016-05-10 Marvell International Ltd. Data recording medium, method for generating a reference clock signal, and data storage device
SG196742A1 (en) 2012-07-20 2014-02-13 Agency Science Tech & Res Recording media, data storage devices, and methods for determining a position error signal in a recording medium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB987357A (en) * 1962-11-30 1965-03-24 Ibm Memory system employing a magnetic recording medium
US3839665A (en) * 1970-03-30 1974-10-01 A Gabor Apparatus measuring relative velocity of movable members including means to detect velocity from the position encoder
BE794737A (fr) * 1972-02-18 1973-05-16 Ibm Systemes d'enregistrement de signaux digitaux
US3821798A (en) * 1972-02-18 1974-06-28 Ibm Resynchronizable recording system
US3956769A (en) * 1974-08-12 1976-05-11 Control Data Corporation Recording system having coinciding servo and data tracks
US4213148A (en) * 1978-09-01 1980-07-15 Rca Corporation Recording/playback apparatus using a single pilot tone for active tracking and control of a video disc pickup device
US4318141A (en) * 1979-12-07 1982-03-02 International Business Machines Corp. Buried servo recording systems and methods
US4286296A (en) * 1979-12-31 1981-08-25 International Business Machines Corporation Transducer positioning system
GB2085189B (en) * 1980-09-19 1984-03-28 Burroughs Corp Head position system for disc data store
US4432026A (en) * 1981-08-10 1984-02-14 Ampex Corporation Apparatus and method for determining read head position

Also Published As

Publication number Publication date
DE3374729D1 (en) 1988-01-07
JPS5990265A (ja) 1984-05-24
EP0108226A1 (de) 1984-05-16
EP0108226B1 (de) 1987-11-25
US4490756A (en) 1984-12-25

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